Algebra-2

Question Analysis
This problem tests the understanding of the Horizontal Line Test for one-to-one functions.

Key Concept Explanation
The Horizontal Line Test is a graphical method to determine if a function is one-to-one. If every horizontal line intersects the graph of the function at most once, then the function is one-to-one.

Step-by-step Solution
1. Recall the Horizontal Line Test: A function is one-to-one if every horizontal line intersects it...